According to police reports on the operation, underage volunteers and police checked a total of 34 businesses.

The clerks at the following locations were cited for selling alcohol to an underage minor:

1. Jackson's located at 10585 Stead Blvd.

2. 7-11 located at 4997 S. McCarran Blvd.

3. Fireside Inn, located at 205 E. 4th St.

4. Shell located at 700 N. Sierra St.

5. Ace Liquor located at 142 W. 2nd St.

6. Wright Way Liquor located at 330 Evans St.

7. 7-11 located at 690 Booth St.

8. Jashan Market located at 436 N. Virginia St.

In addition, the clerk at the AM/PM located at 600 Kietzke Ln. was arrested. Police say it was because he "did not qualify for a citation."

The fine for selling alcohol to a minor is $500.

Police say that in the undercover operation, 74% of businesses tested complied with the law and did not serve minors. This is down from a similar operation in March of 2012, where 78% complied, and an operation in August 2012, where 91% followed the law.

Police also wanted to thank the following stores, which passed the test: